🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 11.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 5.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 85.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,409,641 km

• M1: 162,164 km (0.045 R)
• M2: 561,291 km (0.104 R)
• M3: 1,088,474 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.2

Radius: 8.6

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.67 AU - 2.37 AU

Year: 1947 Days

Day: 9.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,409,641 km

• M1: 106,962 km (0.084 R)
• M2: 467,942 km (0.06 R)
• M3: 903,422 km (0.057 R)
• M4: 1,408,464 km (0.101 R)
• M5: 1,998,628 km (0.092 R)
• M6: 2,549,148 km (0.119 R)
• M7: 2,934,811 km (0.113 R)
• M8: 3,213,362 km (0.119 R)
• M9: 3,734,711 km (0.103 R)
• M10: 4,818,697 km (0.057 R)
• M11: 5,163,819 km (0.12 R)
• M12: 6,149,220 km (0.095 R)
• M13: 6,426,874 km (0.118 R)
• M14: 6,953,309 km (0.09 R)
• M15: 7,254,898 km (0.087 R)
• M16: 9,056,954 km (0.115 R)
• M17: 9,889,167 km (0.087 R)
• M18: 10,201,079 km (0.09 R)
• M19: 10,990,956 km (0.113 R)
• M20: 11,743,882 km (0.073 R)
• M21: 12,410,639 km (0.106 R)
• M22: 13,143,669 km (0.091 R)
• M23: 13,862,337 km (0.077 R)
• M24: 14,921,191 km (0.078 R)
• M25: 15,377,913 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 13

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.64 AU - 3.52 AU

Year: 3666 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,409,641 km

• M1: 161,715 km (0.117 R)
• M2: 583,432 km (0.114 R)
• M3: 995,275 km (0.116 R)
• M4: 1,602,044 km (0.106 R)
• M5: 2,013,288 km (0.088 R)
• M6: 3,280,233 km (0.078 R)
• M7: 3,911,685 km (0.063 R)
• M8: 5,392,255 km (0.074 R)
• M9: 5,864,985 km (0.11 R)
• M10: 6,704,229 km (0.06 R)
• M11: 7,120,260 km (0.055 R)
• M12: 7,829,205 km (0.094 R)
• M13: 9,506,795 km (0.108 R)
• M14: 10,033,380 km (0.066 R)
• M15: 11,100,910 km (0.095 R)
• M16: 13,714,385 km (0.065 R)
• M17: 16,598,183 km (0.116 R)
• M18: 17,482,755 km (0.116 R)
• M19: 18,212,793 km (0.055 R)
• M20: 19,929,728 km (0.089 R)
• M21: 20,861,423 km (0.075 R)
• M22: 23,536,831 km (0.061 R)
• M23: 25,033,259 km (0.102 R)
• M24: 25,649,303 km (0.106 R)
• M25: 26,592,218 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149

Radius: 11.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.67 AU - 4.09 AU

Year: 4215 Days

Day: 8.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,409,641 km

• M1: 145,559 km (0.041 R)
• M2: 570,417 km (0.114 R)
• M3: 1,157,888 km (0.103 R)
• M4: 1,781,112 km (0.058 R)
• M5: 2,429,769 km (0.088 R)
• M6: 3,104,006 km (0.116 R)
• M7: 3,844,665 km (0.12 R)
• M8: 4,762,448 km (0.097 R)
• M9: 5,748,747 km (0.105 R)
• M10: 6,444,377 km (0.089 R)
• M11: 7,167,384 km (0.064 R)
• M12: 8,033,256 km (0.055 R)
• M13: 9,869,271 km (0.083 R)
• M14: 11,774,848 km (0.062 R)
• M15: 12,814,554 km (0.081 R)
• M16: 14,309,336 km (0.053 R)
• M17: 15,492,954 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.8

Radius: 7.6

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.29 AU - 6.53 AU

Year: 11007 Days

Day: 23.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,409,641 km

• M1: 102,624 km (0.06 R)
• M2: 354,098 km (0.074 R)
• M3: 610,359 km (0.108 R)
• M4: 895,792 km (0.105 R)
• M5: 1,150,557 km (0.087 R)
• M6: 2,416,604 km (0.1 R)
• M7: 2,744,971 km (0.069 R)
• M8: 3,342,166 km (0.107 R)
• M9: 3,619,670 km (0.074 R)
• M10: 4,730,285 km (0.09 R)
• M11: 6,200,981 km (0.06 R)
• M12: 6,739,534 km (0.041 R)
• M13: 12,109,050 km (0.057 R)
• M14: 12,645,209 km (0.062 R)
• M15: 13,828,977 km (0.075 R)
• M16: 14,087,183 km (0.069 R)
• M17: 17,071,511 km (0.079 R)
• M18: 20,536,197 km (0.071 R)
• M19: 21,817,054 km (0.093 R)
• M20: 22,432,500 km (0.103 R)
• M21: 23,150,121 km (0.104 R)
• M22: 24,255,200 km (0.07 R)
• M23: 29,665,707 km (0.025 R)
• M24: 30,312,418 km (0.048 R)
• M25: 30,639,289 km (0.038 R)
• M26: 31,078,808 km (0.101 R)
• M27: 32,082,909 km (0.081 R)
• M28: 34,747,397 km (0.057 R)
• M29: 37,681,160 km (0.11 R)
• M30: 38,566,929 km (0.058 R)
• M31: 40,776,041 km (0.104 R)
• M32: 47,028,035 km (0.081 R)
• M33: 50,304,827 km (0.118 R)
• M34: 50,916,533 km (0.111 R)
• M35: 51,378,641 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.2

Radius: 7.7

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.36 AU - 7.58 AU

Year: 13848 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,409,641 km

• M1: 97,987 km (0.084 R)
• M2: 536,608 km (0.1 R)
• M3: 932,743 km (0.038 R)
• M4: 1,223,860 km (0.113 R)
• M5: 1,591,123 km (0.108 R)
• M6: 2,239,630 km (0.095 R)
• M7: 4,383,666 km (0.078 R)
• M8: 4,670,894 km (0.07 R)
• M9: 5,177,582 km (0.026 R)
• M10: 9,750,490 km (0.062 R)
• M11: 10,352,621 km (0.079 R)
• M12: 12,624,415 km (0.086 R)
• M13: 13,011,275 km (0.111 R)
• M14: 13,472,485 km (0.087 R)
• M15: 14,288,392 km (0.034 R)
• M16: 16,319,931 km (0.115 R)
• M17: 18,454,244 km (0.076 R)
• M18: 21,398,031 km (0.113 R)
• M19: 27,331,082 km (0.115 R)
• M20: 33,043,926 km (0.094 R)
• M21: 37,485,038 km (0.106 R)
• M22: 38,150,299 km (0.115 R)
• M23: 38,823,340 km (0.091 R)
• M24: 54,172,979 km (0.075 R)
• M25: 55,365,873 km (0.047 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 19,821 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit